Features: Brand new and high quality Original Apple Retina disassembly machine A1398 A1425 A1502 MC975 MC976 ME665 ME293 MD212 MD213 450M wireless network card + Bluetooth 4.0 compatible. Model: BCM94331CSAX This wireless AirPort chip is similar to the one in Macbook Air. Broadcom's BCM4331 chip supports 802.11n dual-band wireless; Broadcom's BCM20702 chip supports Bluetooth 4.0 compatible; and Skyworks 2xSE5515 dual-band antenna amplifiers are used. It supports managing a large number of tasks, entertainment, and shopping that require internet access. It allows you to securely access your local network from the internet. With fine workmanship and advanced technology, it is durable and in use. This wireless network card offers good performance in stability and is not easily disconnected. Specifications: Material: Metal Size: Approximately 2x4.8cm/0.79x1.89inch Color: Black Generally, this card only supports versions prior to 10.14. Note: 1. Please allow 1-2cm errors due to manual measurement, ensure you don't mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Card